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Auto REPAIR Shop In Thornton, CO

Welcome to the best auto repair shop in %the Denver metro area... Grand Buick GMC in Thornton. Why are we the best place to take your car or truck for auto repairs? Read our customer reviews and see what people are saying about our mechanics and the quality of auto repair we provide. We're sure you'll agree that there's no finer auto repair shop in the Thornton area. This is especially true for GM car owners, as we're a certified GM service center, specializing in Buick, GMC, Cadillac and Chevrolet auto repair. Our mechanics can do everything from oil changes and brake pad replacement to diagnostics and troubleshooting of more serious issues. 

6-Quart Oil Change, 4-Tire Rotation, and Multi-Point Inspection*

$49 95 ACDelco dexos1 Full Synthetic.

More than 6 quarts of oil extra.

*Tire balancing, tax, and more than 6 quarts of oil extra. Excludes diesel. See dealer for eligible vehicles and details.

8-Quart Oil Change, 4-Tire Rotation, and Multi-Point Inspection*

$59 95 ACDelco dexos1 Full Synthetic.

More than 8 quarts of oil extra.

*Tire balancing, tax, and more than 8 quarts of oil extra. Excludes diesel. See dealer for eligible vehicles and details.

Brake Pads Installed

$109 95 Per axle on most ACDelco Professional Brake Pads Installed*

Includes rotor inspection. 12-month/unlimited-miles limited Warranty** Select ACDelco Advantage Rotors Installed (per axle) can be added for an additional $185.00 or less on trucks, mid-size SUVs, and full-size SUVs***

*Turning or replacing rotors, all other services, and tax extra. Excludes Medium Duty Trucks and high-performance pads. Retail customers only. See dealer for eligible vehicles and details. **Non-transferrable. See dealer for details. ***Tax extra. Excludes Advantage Coated rotors. Click <a href="http://www.buick.com/content/dam/Buick/north_america/usa/nscwebsite/en/home/owners/certified_service/service_offers/1-1-17-offers/02_PDF/rotor-installation-pricing-by-model.pdf" target="_blank">here</a> for model pricing.

Tire Price Match Guarantee*

Provide us with a better price at the time of purchase and we’ll match it. Find a better price within 30 days of the purchase, we’ll refund the difference. * ELIGIBLE TIRE BRANDS: BFGoodrich, Bridgestone, Continental, Dunlop, Firestone, General, Goodyear, Hankook, Kelly, Michelin, Pirelli, and Uniroyal.

*Ad, written estimate, or Internet quote for identical tire(s) from a competing tire retailer/installer located within 100 miles of the dealer required during guarantee period for price match.

Battery

$134 95 On most ACDelco Professional Silver Batteries*

Installation extra: $24.95 or less on most GM vehicles.** 30-month free-replacement limited warranty.†

*Tax extra. Excludes AGM batteries.** Excludes Camaro and Cruze. †Non-transferrable. Parts only; installation extra. See dealer for details.

Genuine GM Parts Engine or Transmission $200 Mail-in Rebate (Pre-Paid Debit Card)*

On the purchase and installation of a Genuine GM Parts Engine or Transmission. Eligible on 2011 or older GM vehicles only. Fully transferable limited warranty for 3 years/100,000 miles** on GM Parts engines or automatic transmissions, or 1 year/12,000 miles** on GM Parts manual transmissions.

*Rebate offer valid on a customer-paid, dealer-installed Genuine GM Parts Engine or Transmission on eligible 2011 or older GM passenger cars or light-duty trucks by 6/30/17. See dealer for details and rebate form, which must be postmarked by 7/31/17. Allow 6 to 8 weeks for delivery of debit card. Rebate form and details are also available at <a href="http://mycertifiedservicerebates.com" target="_blank">mycertifiedservicerebates.com</a>.

Unenrolled from NRP. This view is for WSM only.

Great Mechanics Mean Excellent Auto Repair Service


If you are looking for an auto repair shop in Thornton or near Denver, then Grand Buick GMC is the perfect destination. Our GM service center has all the advanced tools and instruments that are necessary to diagnose your vehicle. The only thing more advanced than our tools and equipment is our mechanics, who are ASE certified and highly trained. Our auto repair garage in Thornton provides an extensive range of auto repair options like tune ups, transmission repair, brake-pad installations, air filter changes and much more. Our ASE certified auto mechanics are here to help you with all service issues. Schedule an appointment online or visit us in person at our dealership and get the job done!

Grand Buick GMC Better Business Bureau

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